1U3352WT is a Caterpillar style twin tiger tooth for a J550 series bucket. These are a cast tooth not forged with a highly rated metallurgy test. Strong durable and built to last long. These fit many different buckets including but not limited to Case, Bobcat, CWS, Caterpillar, Hitachi, Daewoo, ESCO, H&L and more. Tooth fits 1U1558 pin, and 8E5559 retainer. We do stock replacement shanks and cutting edges also. If you have any questions please call (360) 734-6330.